Alex makes all the big decisions - that's his prerogative as company director.所有重大决定都是由亚历克斯作出的——这是他作为公司主管的特权。
Skiing used to be the prerogative of the rich, but now a far wider range of people do it.滑雪过去是富人的特权,但现在更多的人都可以玩了。
the Royal Prerogative (= the special rights of the ruling king or queen)君主特权